28752198 has 16 divisors (see below), whose sum is σ = 57608496. Its totient is φ = 9566720.

The previous prime is 28752197. The next prime is 28752211. The reversal of 28752198 is 89125782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28752197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483 + ... + 7598.

It is an arithmetic number, because the mean of its divisors is an integer number (3600531).

Almost surely, 2^28752198 is an apocalyptic number.

28752198 is an abundant number, since it is smaller than the sum of its proper divisors (28856298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28752198 is a wasteful number, since it uses less digits than its factorization.

28752198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8679.

The product of its digits is 80640, while the sum is 42.

The square root of 28752198 is about 5362.1076080213. The cubic root of 28752198 is about 306.3540905089.

The spelling of 28752198 in words is "twenty-eight million, seven hundred fifty-two thousand, one hundred ninety-eight".